• Parliament Buildings – Ottawa, Canada

    Natural Hydraulic Lime mortars are being used for the restoration of Canada’s historic Parliament Buildings. This is one of Canada’s largest restoration projects. Construction first started in 1860, and now consists of several buildings. The restoration project first started in 2002 and is now … [Continue Reading]

    Parliament Buildings – Ottawa, Canada
  • Parliament of Brittany – Rennes, France

    This masterpiece of XVII century French architecture was nearly destroyed by fire in 1994. Its complete restoration and reconstruction lasted three years, using Saint Astier Natural Hydraulic Lime in all phases of masonry, plaster and render. {Photo by Eusebius (Guillaume Piolle). Licensed … [Continue Reading]

    Parliament of Brittany – Rennes, France
  • Pont du Gard – Provence, France

    Pont du Gard (Bridge over the Gard River) is a monumental bridge-aqueduct built by the Romans during the first century and is part of the UNESCO World Heritage. It was part of a 30-mile long aqueduct with a remarkable constant slope of 15 inches per mile. The bridge was built without mortar and with … [Continue Reading]

    Pont du Gard – Provence, France
  • Arc de Triomphe, Paris, France

    Built by Napoleon the First to commemorate his victories, this monument was completed by King Louis-Philippe. This French landmark went through extensive restoration and maintenance using Saint Astier Natural Hydraulic Limes. … [Continue Reading]

    Arc de Triomphe, Paris, France
  • Fire Station #44, San Francisco, California

    NHL 3.5 was used for repointing the brickwork on Fire Station #44 in San Francisco, California. Repointing Work and photos by Thameside Masonry … [Continue Reading]

    Fire Station #44, San Francisco, California

St. Astier Natural Hydraulic Lime

Natural Hydraulic Lime (NHL) has been produced in Saint Astier since 30 BC and produced on an industrial scale since 1851. This time-honored product is enjoying a modern comeback due to its performance and beauty. Not only is natural hydraulic lime an important material in historical preservation and restoration of many buildings worldwide, St. Astier Natural Hydraulic Lime is also the safest and most natural green building product in the construction industry today.

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Award Winning Project:

Private Residence, Sonoma

Sonoma County Strawbale House Receives Award from Green Builder® Media

A Sonoma County strawbale home won a 2013 Green Builder® Media Green Home of the Year award. The home was recognized in the Best Exterior Integration category. This LEED Platinum home features Saint-Astier Natural Hydraulic Lime over a strawbale structure. The farmhouse sits on a 32-acre site that includes covered walkways, gardens, and gabled structures. Additionally, there […]